chore(deps): bump the gha group across 1 directory with 5 updates

Bumps the gha group with 5 updates in the /packages/opentelemetry-instrumentation-milvus directory:

| Package | From | To |
| --- | --- | --- |
| opentelemetry-semantic-conventions-ai | `0.4.11` | `0.4.12` |
| [autopep8](https://github.com/hhatto/autopep8) | `2.2.0` | `2.3.2` |
| [flake8](https://github.com/pycqa/flake8) | `7.1.2` | `7.3.0` |
| [pytest](https://github.com/pytest-dev/pytest) | `8.3.5` | `8.4.1` |
| [pymilvus](https://github.com/milvus-io/pymilvus) | `2.5.6` | `2.5.14` |



Updates `opentelemetry-semantic-conventions-ai` from 0.4.11 to 0.4.12

Updates `autopep8` from 2.2.0 to 2.3.2
- [Release notes](https://github.com/hhatto/autopep8/releases)
- [Commits](hhatto/autopep8@v2.2.0...v2.3.2)

Updates `flake8` from 7.1.2 to 7.3.0
- [Commits](PyCQA/flake8@7.1.2...7.3.0)

Updates `pytest` from 8.3.5 to 8.4.1
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.5...8.4.1)

Updates `pymilvus` from 2.5.6 to 2.5.14
- [Release notes](https://github.com/milvus-io/pymilvus/releases)
- [Commits](milvus-io/pymilvus@v2.5.6...v2.5.14)

---
updated-dependencies:
- dependency-name: opentelemetry-semantic-conventions-ai
  dependency-version: 0.4.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gha
- dependency-name: autopep8
  dependency-version: 2.3.2
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: gha
- dependency-name: flake8
  dependency-version: 7.3.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: gha
- dependency-name: pytest
  dependency-version: 8.4.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: gha
- dependency-name: pymilvus
  dependency-version: 2.5.14
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: gha
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]